**Shoes: too tight, too loose, poor fit.
**Gait: over or under pronation: Tuli Cup (bilateral), bilat heel lifts, medial post, orthodics
**Stretch Gastrosoleus
avoid toe running
ultrasound, Eletric Stim, transverse friction massage
elastic tape for shock absorb
adjust calcaneus and / or other foot subluxations
Exercise: toe raises
avoid running up or downhill
longer warm-up
ice when acute
caused by tight gastrocs, bad shoes, biomechanical defects (subluxation, over/underpronation)
rule out: bursitis, fracture, tennis leg, plantar fascititis